[Buildroot] [PATCH v3 10/16] Makefile: breaks hardlinks in global {TARGET, HOST}_DIR on per-package build

[Herve Codina]

Without this patch, a make <pkg>_rebuild detects overwrites. Indeed, in
target_finalize steps some modifications are done on installed files (ie
strip or TARGET_FINALIZE_HOOKS for instance).

In order to avoid these modifications seen from per-package {TARGET,HOST}_DIR
and so been analyzed as some overwrites, global {TARGET,HOST}_DIR is built
using a full copy of the involved per-package files instead of hardlinks.

Signed-off-by: Herve Codina <herve.codina at bootlin.com>
Reviewed-by: Yann E. MORIN <yann.morin.1998 at free.fr>
---
Changes v1 to v2:
 - Added 'Reviewed-by: Yann E. MORIN'

Changes v2 to v2:
None

 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 32fad004fe..ccf2020565 100644
--- a/Makefile
+++ b/Makefile
@@ -734,7 +734,7 @@ ifeq ($(BR2_PER_PACKAGE_DIRECTORIES),y)
 define per-package-rsync-delta
 	$(Q)mkdir -p $(3)
 	$(foreach pkg,$(1),\
-		$(Q)rsync -a --link-dest=$(PER_PACKAGE_DIR)/$(pkg)/$(strip $(2))/ \
+		$(Q)rsync -a \
 			--filter='merge $($(call UPPERCASE,$(pkg))_DIR)/$(strip $(4))' \
 			$(PER_PACKAGE_DIR)/$(pkg)/$(strip $(2))/ \
 			$(3)$(sep))
-- 
2.31.1